how i can restore defult config

the site now is very slow and always show page cant despaled so i change to apache and its come very fast

how do i can restore the defult config?
and what is your recomndition to change in the defult config?

im new in linux so pls tell me detaels

note: i change the config becuse i face problem that when visitor first time open the siye he face page cant be dwsolaed and when he make refresh its open until he dont make any move for about 10 min then he weill face the same problem.. i face this problem in apache too.. and i buy limetspeed becuse i thing it will fix the problem
-----------
enterprise verion
didicated server
4 gb ram
the site is big vbulliten form

That one is normal, nothing to worry about. Maybe George should remove that entry since many asked about it in the past. Also, maybe a good idea to add an option to backup and restore saved and default configuration to the WHM addon.

I suggest you disable Apache from loading at server boot and start litespeed automatically if Apache is no longer needed. Assuming your server is running WHM/Cpanel, run these commands: